:root {
  --green:#2F7D6D;
  --green-2:#245f54;
  --green-3:#dcebe6;
  --pink:#E88AAE;
  --orange:#F29A3F;
  --ink:#1F2A2E;
  --text:#2A3133;
  --muted:#6F787A;
  --paper:#FAFBF8;
  --soft:#F2F5F1;
  --line:#DDE4DE;
  --white:#fff;
  --shadow:0 20px 60px rgba(31,42,46,.08);
  --shadow-sm:0 10px 30px rgba(31,42,46,.07);
  --radius:24px;
  --radius-sm:15px;
  --shell:min(1180px,calc(100% - 40px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--paper)}
body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
.shell{width:var(--shell);margin-inline:auto}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.skip-link{position:fixed;left:18px;top:12px;z-index:1000;padding:10px 16px;border-radius:10px;background:var(--ink);color:#fff;transform:translateY(-150%);transition:transform .2s}
.skip-link:focus{transform:translateY(0)}
:focus-visible{outline:3px solid rgba(242,154,63,.75);outline-offset:3px;border-radius:6px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(250,251,248,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(221,228,222,.8)}
.site-header__inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:inline-flex;align-items:center;gap:12px;min-width:max-content}
.brand__mark{display:grid;place-items:center;width:43px;height:43px;border-radius:15px;background:var(--green);color:#fff;font-weight:800;font-size:21px;box-shadow:0 8px 22px rgba(47,125,109,.24)}
.brand__text{display:flex;flex-direction:column;line-height:1.16}.brand__text strong{font-size:20px;letter-spacing:.02em;color:var(--ink)}.brand__text small{margin-top:5px;font-size:11px;color:var(--muted)}
.site-nav{display:flex;align-items:center;gap:6px}.site-nav a{padding:10px 13px;border-radius:12px;color:#465052;font-weight:650;font-size:14px;transition:.2s}.site-nav a:hover,.site-nav a[aria-current="page"]{background:var(--green-3);color:var(--green-2)}.site-nav__search{margin-left:6px;border:1px solid var(--line);background:#fff}.nav-toggle{display:none;border:0;background:transparent;padding:8px}.nav-toggle>span:not(.sr-only){display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;border-radius:99px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--green)}.eyebrow:before{content:"";width:18px;height:2px;background:currentColor;border-radius:99px}
h1,h2,h3{color:var(--ink);line-height:1.24;margin-top:0;letter-spacing:-.025em}h1{font-size:clamp(36px,5vw,66px)}h2{font-size:clamp(28px,3vw,42px)}h3{font-size:20px}
p{margin-top:0}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 19px;border-radius:13px;font-weight:800;font-size:14px;transition:transform .18s,box-shadow .18s,background .18s}.button:hover{transform:translateY(-2px)}.button--primary{background:var(--green);color:#fff;box-shadow:0 10px 24px rgba(47,125,109,.2)}.button--primary:hover{background:var(--green-2)}.button--ghost{background:#fff;border:1px solid var(--line);color:var(--ink)}.button--ghost:hover{box-shadow:var(--shadow-sm)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.section-heading{margin-bottom:28px;max-width:820px}.section-heading h2{margin:8px 0 10px}.section-heading p{color:var(--muted);max-width:760px}.section-heading--split{max-width:none;display:flex;align-items:end;justify-content:space-between;gap:28px}.section-heading--split>a{font-weight:800;color:var(--green);padding-bottom:8px}
.home-hero{padding:62px 0 42px;background:linear-gradient(180deg,#f4f8f4 0%,var(--paper) 100%)}.home-hero__grid{display:grid;grid-template-columns:.85fr 1.35fr;align-items:center;gap:54px}.home-hero__intro h1{margin:12px 0 20px}.home-hero__intro>p{font-size:18px;color:#596466;margin-bottom:28px}.hero-keywords{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px}.hero-keywords span{padding:7px 10px;border-radius:999px;background:var(--soft);font-size:12px;color:#55615f;border:1px solid #e2e9e3}.hero-story{position:relative;min-height:520px;border-radius:34px;overflow:hidden;box-shadow:var(--shadow);background:#dfe7df}.hero-story__image{position:absolute;inset:0}.hero-story__image img{width:100%;height:100%;object-fit:cover}.hero-story:after{content:"";position:absolute;inset:28% 0 0;background:linear-gradient(180deg,transparent,rgba(20,33,31,.88))}.hero-story__overlay{position:absolute;z-index:2;left:34px;right:34px;bottom:34px;color:#fff}.hero-story__overlay>span{display:inline-block;padding:6px 9px;border-radius:999px;background:var(--orange);font-size:11px;font-weight:900}.hero-story__overlay h2{font-size:34px;color:#fff;margin:12px 0 10px}.hero-story__overlay p{margin:0;color:rgba(255,255,255,.78);max-width:760px}
.pulse-section{padding:42px 0 70px}.spotlight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.story-card{overflow:hidden;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:0 12px 34px rgba(31,42,46,.045);transition:transform .2s,box-shadow .2s}.story-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}.story-card__media{display:block;aspect-ratio:1.55;background:#e5ebe5;overflow:hidden}.story-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s}.story-card:hover .story-card__media img{transform:scale(1.035)}.story-card__body{padding:20px}.story-card__meta{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--muted);font-size:11px;font-weight:750}.story-card__meta span:first-child{color:var(--green)}.story-card h3{margin:10px 0 10px}.story-card h3 a:hover{color:var(--green)}.story-card p{color:#687174;font-size:14px;line-height:1.72}.tag-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}.tag-row span{background:var(--soft);border-radius:999px;padding:5px 8px;font-size:10px;color:#61706b}.story-card--compact{display:grid;grid-template-columns:170px 1fr}.story-card--compact .story-card__media{height:100%;aspect-ratio:auto}.story-card--compact .story-card__body{padding:18px}.story-card--compact h3{font-size:18px}
.home-feed-section{padding:70px 0;background:#fff;border-block:1px solid var(--line)}.home-feed-layout{display:grid;grid-template-columns:minmax(0,1.5fr) 340px;gap:60px;align-items:start}.feed-list{border-top:1px solid var(--line)}.feed-item{display:grid;grid-template-columns:22px 1fr;gap:16px;padding:24px 0;border-bottom:1px solid var(--line)}.feed-item__marker{width:10px;height:10px;margin-top:8px;border-radius:50%;background:var(--pink);box-shadow:0 0 0 7px rgba(232,138,174,.12)}.feed-item__eyebrow{font-size:11px;font-weight:800;color:var(--green);letter-spacing:.05em}.feed-item h3{font-size:21px;margin:5px 0 8px}.feed-item h3 a:hover{color:var(--green)}.feed-item p{color:var(--muted);font-size:14px;margin-bottom:10px}.feed-item__links a{font-size:12px;font-weight:850;color:var(--green)}.center-action{text-align:center;margin-top:28px}.topic-rail{display:grid;gap:18px;position:sticky;top:104px}.rail-card{padding:24px;border:1px solid var(--line);border-radius:20px;background:#fff}.rail-card h2{font-size:25px;margin:8px 0 10px}.rail-card p{font-size:14px;color:var(--muted)}.rail-card>a{font-weight:800;color:var(--green);font-size:13px}.rail-card--accent{background:var(--ink);border-color:var(--ink);color:#dbe3df}.rail-card--accent h2{color:#fff}.rail-card--accent .eyebrow,.rail-card--accent>a{color:#ffbf77}.rail-card--soft{background:var(--soft)}.mini-search{display:flex;gap:8px;margin-top:16px}.mini-search input{min-width:0;width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fff}.mini-search button{border:0;border-radius:10px;background:var(--green);color:#fff;font-weight:800;padding:0 13px}
.tracking-section{padding:72px 0}.tracking-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.tracking-card{position:relative;padding:23px 20px 20px 26px;border-left:2px solid var(--green-3);background:#fff;border-radius:0 18px 18px 0}.tracking-card__dot{position:absolute;left:-7px;top:28px;width:12px;height:12px;border-radius:50%;background:var(--green);border:3px solid var(--paper)}.tracking-card h3{font-size:18px;margin-bottom:10px}.tracking-card p{font-size:13px;color:var(--muted);margin:0}
.video-strip{padding:72px 0;background:var(--ink);color:#dce5e2}.video-strip__grid{display:grid;grid-template-columns:360px 1fr;gap:48px;align-items:center}.video-strip__intro .eyebrow{color:#ffbd76}.video-strip__intro h2{color:#fff;margin:9px 0 14px}.video-strip__intro p{color:#b8c3bf}.video-strip__cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.video-tile{position:relative;min-height:330px;border-radius:20px;overflow:hidden;background:#293734}.video-tile:after{content:"";position:absolute;inset:40% 0 0;background:linear-gradient(transparent,rgba(14,21,20,.88))}.video-tile img{width:100%;height:100%;object-fit:cover;position:absolute}.video-tile__badge{position:absolute;z-index:2;top:14px;left:14px;background:var(--orange);color:#2a2117;padding:5px 8px;border-radius:999px;font-size:10px;font-weight:900}.video-tile strong{position:absolute;z-index:2;left:16px;right:16px;bottom:18px;color:#fff;line-height:1.45}.community-teaser{padding:48px 0;background:var(--soft)}.community-teaser__inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.community-teaser h2{font-size:30px;margin:7px 0 8px}.community-teaser p{margin:0;color:var(--muted)}
.breadcrumbs{margin-bottom:22px}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;list-style:none;padding:0;margin:0}.breadcrumbs li{font-size:12px;color:var(--muted)}.breadcrumbs li:not(:last-child):after{content:"/";margin-left:8px;color:#abb3af}.breadcrumbs a:hover{color:var(--green)}
.page-hero{padding:64px 0 50px}.page-hero__grid{display:grid;grid-template-columns:1fr .82fr;gap:60px;align-items:center}.page-hero h1{margin:10px 0 18px}.page-hero p{max-width:680px;font-size:18px;color:#5d686a}.page-hero__visual{overflow:hidden;border-radius:30px;box-shadow:var(--shadow)}.page-hero__visual img{width:100%;aspect-ratio:1.4;object-fit:cover}.page-hero--feed{background:linear-gradient(135deg,#eff6f1,#fafbf8)}.page-hero--dark{background:#17211f;color:#cbd6d2}.page-hero--dark h1{color:#fff}.page-hero--dark p{color:#abb9b4}.page-hero--dark .breadcrumbs li{color:#94a49e}.page-hero--dark .eyebrow{color:#ffbd76}
.feed-page__main{padding:65px 0;background:#fff}.feed-page__layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:56px}.feed-sidebar{position:relative}.sticky-panel{position:sticky;top:108px;padding:22px;border:1px solid var(--line);border-radius:18px;background:var(--paper)}.sticky-panel h2{font-size:16px;margin-bottom:12px}.sticky-panel a{display:block;padding:9px 0;border-bottom:1px solid var(--line);font-size:13px;color:#53605c}.sticky-panel a:last-child{border-bottom:0}.sticky-panel a:hover{color:var(--green)}
.topic-band{padding:70px 0;background:var(--soft)}.topic-band--alt{background:#fff}.topic-band__grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}.topic-band h2{margin:8px 0 12px}.topic-band p{color:var(--muted)}.topic-band__links{display:grid;gap:10px}.topic-band__links a{display:grid;grid-template-columns:1fr;gap:4px;padding:18px 20px;border:1px solid var(--line);border-radius:15px;background:#fff;transition:.2s}.topic-band__links a:hover{border-color:#b9d2c8;transform:translateX(3px)}.topic-band__links strong{font-size:15px}.topic-band__links span{font-size:12px;color:var(--muted)}
.progress-board{padding:72px 0}.progress-board__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.progress-board article{padding:22px;border-radius:18px;background:#fff;border:1px solid var(--line)}.progress-board article>span{font-size:10px;color:var(--green);font-weight:850}.progress-board h3{font-size:18px;margin:8px 0}.progress-board p{font-size:13px;color:var(--muted);margin:0}
.evidence-grid-section{padding:70px 0}.evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.boundary-section{padding:65px 0;background:#f0f5f1}.boundary-section__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.boundary-card{padding:28px;border-radius:22px;background:#fff;border:1px solid var(--line)}.boundary-card h2{font-size:25px;margin:7px 0 10px}.boundary-card p{color:var(--muted);margin:0}.boundary-card--primary{background:var(--green);border-color:var(--green);color:#e8f2ef}.boundary-card--primary h2{color:#fff}.boundary-card--primary .eyebrow{color:#ffd1aa}.boundary-card--primary p{color:#d8e8e3}
.source-ladder{padding:75px 0}.source-ladder__layout{display:grid;grid-template-columns:380px 1fr;gap:55px;align-items:start}.source-ladder__intro{position:sticky;top:110px}.source-ladder__intro h2{margin:9px 0 14px}.source-ladder__intro p{color:var(--muted)}.source-ladder__list{border-top:1px solid var(--line)}.source-ladder__list a{display:grid;grid-template-columns:52px 1fr 100px;gap:16px;align-items:center;padding:18px 4px;border-bottom:1px solid var(--line)}.source-ladder__list a>span{font-size:12px;color:#9aa6a0;font-weight:900}.source-ladder__list strong{font-size:15px}.source-ladder__list small{text-align:right;color:var(--green)}.source-ladder__list a:hover strong{color:var(--green)}
.video-hero{padding:56px 0 72px;background:linear-gradient(135deg,#17211f 0%,#233832 100%);color:#c9d5d1}.video-hero__layout{display:grid;grid-template-columns:390px 1fr;gap:55px;align-items:center}.video-hero h1{color:#fff;font-size:54px;margin:10px 0 18px}.video-hero p{color:#b3c0bc;font-size:17px}.video-hero .eyebrow{color:#ffbf77}.video-hero .breadcrumbs li{color:#9dacA7}.video-hero__frame{position:relative;border-radius:28px;overflow:hidden;box-shadow:0 30px 90px rgba(0,0,0,.25)}.video-hero__frame img{width:100%;aspect-ratio:1.58;object-fit:cover}.play-shape{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:72px;height:72px;border-radius:50%;background:rgba(255,255,255,.92);box-shadow:0 14px 40px rgba(0,0,0,.24)}.play-shape:after{content:"";position:absolute;left:29px;top:23px;border-left:20px solid var(--green);border-top:13px solid transparent;border-bottom:13px solid transparent}.play-shape--small{width:48px;height:48px}.play-shape--small:after{left:20px;top:15px;border-left-width:14px;border-top-width:9px;border-bottom-width:9px}
.video-guide-section{padding:62px 0}.video-guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.video-guide-grid article{overflow:hidden;border-radius:22px;background:#fff;border:1px solid var(--line)}.video-guide-grid img{width:100%;aspect-ratio:1.6;object-fit:cover}.video-guide-grid article>div{padding:20px}.video-guide-grid h2{font-size:21px;margin-bottom:8px}.video-guide-grid p{color:var(--muted);font-size:13px;margin:0}.video-feed-section{padding:70px 0;background:#fff}.video-feed-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.video-feed-card{display:grid;grid-template-columns:220px 1fr;gap:20px;padding:12px;border:1px solid var(--line);border-radius:20px}.video-feed-card__media{position:relative;display:block;border-radius:14px;overflow:hidden;min-height:190px}.video-feed-card__media img{width:100%;height:100%;object-fit:cover;position:absolute}.video-feed-card>div:last-child{padding:10px 12px 10px 0}.video-feed-card span{font-size:11px;color:var(--green);font-weight:800}.video-feed-card h3{margin:8px 0;font-size:19px}.video-feed-card p{font-size:13px;color:var(--muted);margin:0}.video-checklist{padding:70px 0;background:var(--soft)}.video-checklist__inner{display:grid;grid-template-columns:340px 1fr;gap:50px}.video-checklist h2{margin:8px 0}.video-checklist ol{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;list-style:none;padding:0;margin:0;counter-reset:video}.video-checklist li{counter-increment:video;position:relative;padding:22px 22px 22px 66px;background:#fff;border-radius:18px;border:1px solid var(--line)}.video-checklist li:before{content:counter(video);position:absolute;left:20px;top:20px;width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:var(--green-3);color:var(--green);font-weight:900}.video-checklist strong,.video-checklist span{display:block}.video-checklist span{margin-top:5px;color:var(--muted);font-size:13px}
.community-hero{padding:64px 0;background:linear-gradient(145deg,#f2f6f1,#fbf3f6)}.community-hero__grid{display:grid;grid-template-columns:1fr .9fr;gap:55px;align-items:center}.community-hero h1{margin:10px 0 18px}.community-hero p{font-size:17px;color:var(--muted);max-width:680px}.community-hero__device{border-radius:34px;overflow:hidden;box-shadow:var(--shadow)}.community-hero__device img{width:100%;aspect-ratio:1.35;object-fit:cover}.community-values{padding:72px 0}.community-values__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.community-values article{padding:24px;border-radius:20px;background:#fff;border:1px solid var(--line)}.community-values article>span{display:block;width:28px;height:5px;border-radius:99px;background:var(--pink);margin-bottom:20px}.community-values h3{font-size:18px;margin-bottom:8px}.community-values p{font-size:13px;color:var(--muted);margin:0}.community-content{padding:70px 0;background:#fff;border-block:1px solid var(--line)}.community-content__layout{display:grid;grid-template-columns:340px 1fr;gap:55px}.community-content__layout>div:first-child{position:sticky;top:105px;align-self:start}.community-content__layout h2{margin:8px 0 14px}.community-content__layout>div:first-child p{color:var(--muted)}.community-content__cards{display:grid;gap:16px}.mobile-paths{padding:72px 0}.mobile-paths__grid{display:grid;grid-template-columns:.9fr 1fr;gap:55px;align-items:center}.mobile-paths__visual{border-radius:26px;overflow:hidden}.mobile-paths__visual img{width:100%;aspect-ratio:1.38;object-fit:cover}.mobile-paths h2{margin:8px 0 14px}.mobile-paths p{color:var(--muted)}.check-list{list-style:none;padding:0;margin:22px 0 0}.check-list li{position:relative;padding:9px 0 9px 30px;border-bottom:1px solid var(--line)}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:900}
.article-shell{padding:54px 0 72px}.article-shell__layout{display:grid;grid-template-columns:minmax(0,760px) 300px;gap:70px;justify-content:center}.article-header h1{font-size:clamp(38px,5.2vw,62px);margin:12px 0 20px}.article-deck{font-size:20px;line-height:1.65;color:#536063}.article-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.article-meta span{font-size:11px;background:var(--soft);border:1px solid var(--line);padding:6px 9px;border-radius:999px;color:#66716e}.article-figure{margin:34px 0}.article-figure img{width:100%;border-radius:26px;aspect-ratio:1.6;object-fit:cover}.article-figure figcaption{margin-top:9px;font-size:11px;color:#8b9492}.article-summary-box{padding:28px;border-radius:20px;background:#edf5f1;border-left:4px solid var(--green);margin:34px 0}.article-summary-box h2{font-size:22px;margin-bottom:14px}.article-summary-box ul{margin:0;padding-left:20px}.article-summary-box li{margin:8px 0}.article-content h2{font-size:30px;margin:40px 0 18px}.article-content p{font-size:17px;line-height:1.95;color:#3c4648;margin-bottom:22px}.inline-note{display:flex;gap:12px;align-items:flex-start;margin:26px 0;padding:18px 20px;border:1px solid #ead7c2;background:#fff8ef;border-radius:14px}.inline-note strong{min-width:max-content;color:#a65e1e}.inline-note span{font-size:13px;color:#715942}.article-tags{margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}.article-tags h2{font-size:18px;margin-bottom:12px}.article-tags>div{display:flex;gap:8px;flex-wrap:wrap}.article-tags a{padding:7px 10px;border-radius:999px;background:var(--soft);font-size:12px}.article-tags a:hover{background:var(--green-3);color:var(--green)}.article-side{position:relative}.article-side__panel{position:sticky;top:104px;padding:22px;border:1px solid var(--line);border-radius:20px;background:#fff}.article-side__panel h2{font-size:20px;margin:7px 0 14px}.article-side__panel>a{display:block;padding:13px 0;border-top:1px solid var(--line)}.article-side__panel>a strong,.article-side__panel>a span{display:block}.article-side__panel>a strong{font-size:13px;line-height:1.5}.article-side__panel>a span{font-size:10px;color:var(--green);margin-top:4px}.article-side__panel--search{position:static;margin-top:16px;background:var(--soft)}.article-side__panel form{display:flex;gap:7px}.article-side__panel input{min-width:0;width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:9px;background:#fff}.article-side__panel button{border:0;border-radius:9px;background:var(--green);color:#fff;font-weight:800;padding:0 11px}.related-section{padding:66px 0;background:var(--soft)}
.search-hero{padding:68px 0 54px;background:linear-gradient(135deg,#eef5f1,#fafbf8)}.search-hero__inner{max-width:850px}.search-hero h1{margin:10px 0 26px}.search-form{display:grid;grid-template-columns:1fr auto;gap:10px;padding:8px;border-radius:17px;background:#fff;box-shadow:var(--shadow-sm);border:1px solid var(--line)}.search-form input{min-width:0;border:0;padding:11px 14px;outline:0}.search-form button{border:0;border-radius:11px;background:var(--green);color:#fff;font-weight:800;padding:0 24px}.search-results{padding:62px 0 80px}.empty-state{padding:65px 30px;text-align:center;border:1px dashed #bdc8c2;border-radius:22px;background:#fff}.empty-state h2{font-size:26px;margin-bottom:8px}.empty-state p{color:var(--muted)}.empty-state a{color:var(--green);font-weight:800}
.error-panel{min-height:70vh;display:grid;place-items:center;padding:80px 0}.error-panel__inner{text-align:center;max-width:700px}.error-code{display:block;font-size:clamp(90px,18vw,190px);line-height:.8;font-weight:950;color:#e4ebe6;letter-spacing:-.08em}.error-panel h1{font-size:38px;margin:18px 0}.error-panel p{color:var(--muted)}.error-panel .hero-actions{justify-content:center}
.site-footer{padding:58px 0 26px;background:#17211f;color:#b9c4c0}.site-footer__grid{display:grid;grid-template-columns:1.4fr .7fr .8fr;gap:60px}.brand--footer .brand__text strong{color:#fff}.brand--footer .brand__text small{color:#93a29d}.site-footer__brand p{max-width:480px;margin-top:18px;font-size:13px;color:#95a29e}.site-footer h2{font-size:14px;color:#fff;margin-bottom:14px}.site-footer ul{list-style:none;padding:0;margin:0}.site-footer li{margin:8px 0}.site-footer li a{font-size:12px;color:#aebbb6}.site-footer li a:hover{color:#fff}.site-footer__bottom{display:flex;justify-content:space-between;gap:20px;margin-top:45px;padding-top:20px;border-top:1px solid #2f3c39;font-size:11px;color:#7f8f89}
@media (max-width:1050px){
  :root{--shell:min(100% - 32px,980px)}
  .home-hero__grid,.page-hero__grid,.community-hero__grid{grid-template-columns:1fr 1fr;gap:34px}
  .hero-story{min-height:440px}.hero-story__overlay h2{font-size:28px}
  .tracking-grid,.progress-board__grid,.community-values__grid{grid-template-columns:repeat(2,1fr)}
  .home-feed-layout{grid-template-columns:minmax(0,1fr) 300px;gap:36px}
  .video-strip__grid{grid-template-columns:1fr}.video-strip__intro{max-width:600px}
  .source-ladder__layout{grid-template-columns:300px 1fr;gap:35px}
  .article-shell__layout{grid-template-columns:minmax(0,1fr) 270px;gap:38px}
  .video-hero__layout{grid-template-columns:330px 1fr;gap:34px}.video-hero h1{font-size:46px}
  .video-feed-card{grid-template-columns:180px 1fr}
}
@media (max-width:820px){
  .site-header__inner{min-height:68px}.brand__text small{display:none}
  .nav-toggle{display:block;position:relative;z-index:4}.site-nav{position:fixed;z-index:3;left:16px;right:16px;top:76px;display:grid;gap:6px;padding:16px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(-8px);transition:.2s}.site-nav[data-open="true"]{opacity:1;visibility:visible;transform:translateY(0)}.site-nav a{padding:12px}
  .home-hero{padding-top:36px}.home-hero__grid,.page-hero__grid,.community-hero__grid,.video-hero__layout,.topic-band__grid,.source-ladder__layout,.community-content__layout,.mobile-paths__grid,.video-checklist__inner{grid-template-columns:1fr}
  .home-hero__intro{max-width:720px}.hero-story{min-height:430px}
  .spotlight-grid,.evidence-grid,.video-guide-grid{grid-template-columns:repeat(2,1fr)}
  .home-feed-layout,.feed-page__layout{grid-template-columns:1fr}.topic-rail,.sticky-panel{position:static}.feed-sidebar{order:-1}.sticky-panel{display:flex;gap:8px;overflow:auto}.sticky-panel h2{display:none}.sticky-panel a{min-width:max-content;border:0;background:var(--soft);border-radius:999px;padding:7px 10px}
  .video-strip__cards{grid-template-columns:repeat(3,1fr)}.video-tile{min-height:260px}
  .boundary-section__grid{grid-template-columns:1fr}.source-ladder__intro,.community-content__layout>div:first-child{position:static}
  .video-hero__copy{max-width:700px}.video-hero h1{font-size:48px}
  .video-feed-grid{grid-template-columns:1fr}
  .article-shell__layout{grid-template-columns:1fr}.article-side__panel{position:static}.article-side{display:grid;grid-template-columns:1fr 1fr;gap:15px}.article-side__panel--search{margin-top:0}
  .site-footer__grid{grid-template-columns:1fr 1fr}.site-footer__brand{grid-column:1/-1}
}
@media (max-width:600px){
  :root{--shell:calc(100% - 24px);--radius:18px}
  body{line-height:1.7}h1{font-size:38px}h2{font-size:30px}
  .site-header__inner{min-height:64px}.brand__mark{width:39px;height:39px;border-radius:13px}
  .home-hero{padding:28px 0 26px}.home-hero__grid{gap:26px}.home-hero__intro>p,.page-hero p{font-size:16px}.hero-story{min-height:400px;border-radius:24px}.hero-story__overlay{left:22px;right:22px;bottom:22px}.hero-story__overlay h2{font-size:24px}
  .pulse-section,.tracking-section,.video-strip,.community-values,.evidence-grid-section,.source-ladder,.video-guide-section,.video-feed-section,.video-checklist,.community-content,.mobile-paths,.related-section{padding:48px 0}
  .section-heading--split{display:block}.section-heading--split>a{display:inline-block;margin-top:6px}
  .spotlight-grid,.evidence-grid,.tracking-grid,.progress-board__grid,.video-guide-grid,.community-values__grid,.video-strip__cards,.video-checklist ol{grid-template-columns:1fr}
  .story-card--compact{grid-template-columns:1fr}.story-card--compact .story-card__media{aspect-ratio:1.65}
  .home-feed-section{padding:48px 0}.home-feed-layout{gap:30px}.feed-item{grid-template-columns:16px 1fr;padding:20px 0}.feed-item h3{font-size:18px}
  .video-tile{min-height:320px}.community-teaser__inner{display:block}.community-teaser .button{margin-top:20px}
  .page-hero{padding:38px 0}.page-hero__grid{gap:25px}.page-hero__visual{border-radius:22px}
  .topic-band{padding:48px 0}.topic-band__grid{gap:25px}
  .source-ladder__list a{grid-template-columns:36px 1fr}.source-ladder__list small{display:none}
  .video-hero{padding:36px 0 50px}.video-hero h1{font-size:38px}.video-hero__layout{gap:28px}.play-shape{width:58px;height:58px}.play-shape:after{left:24px;top:18px;border-left-width:17px;border-top-width:11px;border-bottom-width:11px}
  .video-feed-card{grid-template-columns:1fr}.video-feed-card__media{min-height:220px}.video-feed-card>div:last-child{padding:8px}
  .community-hero{padding:38px 0}.community-content__layout{gap:28px}
  .article-shell{padding:34px 0 48px}.article-header h1{font-size:38px}.article-deck{font-size:17px}.article-meta{gap:6px}.article-figure{margin:26px 0}.article-summary-box{padding:22px}.article-content p{font-size:16px}.article-side{grid-template-columns:1fr}
  .search-hero{padding:42px 0}.search-form{grid-template-columns:1fr}.search-form button{min-height:44px}
  .site-footer{padding-top:44px}.site-footer__grid{grid-template-columns:1fr;gap:26px}.site-footer__brand{grid-column:auto}.site-footer__bottom{display:block}.site-footer__bottom span{display:block;margin:5px 0}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}